Cancro, R. (1971). Intelligence: Genetic and environmental influences. Grune & Stratton.
Tohutoru Kātū Chicago (17th ed.)Cancro, Robert. Intelligence: Genetic and Environmental Influences. New York: Grune & Stratton, 1971.
Tohutoro MLA (9th ed.)Cancro, Robert. Intelligence: Genetic and Environmental Influences. Grune & Stratton, 1971.
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